// Copyright (C) 2014-2022 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 3, or (at your option) // any later version. // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING3. If not see // . #include #include using namespace __gnu_test; int main() { time_counter time; resource_counter resource; start_counters(time, resource); // this should get compiled to just L"[abcd]" auto re = std::wregex(L'[' + std::wstring(300, L'a') + L"bc" + std::wstring(1000, 'a') + L"d]"); bool ok = true; for (int i = 0; i < 100000; ++i) ok = ok && (std::regex_match(L"b", re) && std::regex_match(L"d", re)); stop_counters(time, resource); report_performance(__FILE__, "", time, resource); return ok ? 0 : 1; }